In a class of 40 students, 22 are women, 10 are earning an A and 7 women that are earning an A. If a student is randomly selected from the class, what is the probability that the student is a woman or earning an A?

Question

anonymous · Answer

the probability  of that the student is a woman or earning an A is:

$$22\div40 + (10+7)\div40 =  0.975$$

blockcolder · Answer

P(woman or earning an A)=P(woman)+P(earning an A)-P(woman earning an A)

anonymous · Answer

@jhoto001 any question?